Ritchey Comp Zeta GX Disc Gravel Wheelset Tubeless-Ready 650b & 700c

The Ritchey Comp Zeta GX Disc Gravel Wheelset embodies a legacy of over five decades of innovation and passion for off-road cycling. Designed with inspiration from the original Ritchey Zeta wheels, this wheelset is purpose-built for gravel enthusiasts seeking durability, versatility, and high performance. Each wheel is hand-built with precision, featuring tubeless-ready 6066 alloy rims with an OCR offset and a wide 25mm inner diameter that accommodates wider tires, perfect for tackling challenging gravel terrain.

Equipped with forged disc hubs that include sealed bearings and six-bolt rotor mounts, the Comp Zeta GX wheelset ensures smooth, reliable engagement thanks to its 4-pawl freehub system. Available in both 650b and 700c rim diameters, these wheels strike the perfect balance between strength and weight, making them ideal for long adventures or rugged trail rides. The robust 28-spoke lacing pattern enhances stability and resilience, allowing you to confidently explore varied surfaces without compromise.

True to Tom Ritchey’s philosophy of self-reliance and reliability, these wheels are engineered to perform consistently in remote and demanding conditions. Whether you’re carving through rough gravel paths or cruising on mixed terrain, the Comp Zeta GX delivers dependable performance with minimal fuss. Offering exceptional value for their quality and features, this wheelset is a steadfast companion for every gravel rider who demands durability and functionality without sacrificing ride quality.

What It’s Good For

• Providing exceptional durability and reliability on gravel and mixed terrain.
• Accommodating wider tires (32-67mm) thanks to the 25mm inner rim width for enhanced comfort and traction.
• Ensuring smooth and responsive engagement with the 4-pawl freehub system.
• Compatibility with various drivetrains including Shimano, SRAM, and Campagnolo, offering great versatility.
• Supporting disc brake setups with six-bolt rotor mounts for precise stopping power.
• Offering a hand-built, high-quality wheelset at an affordable price point for serious gravel riders.
• Delivering consistent performance in remote or rugged conditions, allowing for confident exploration.

What It’s NOT Good For

• Use with sealants containing ammonia, which can damage the tubeless system.
• Riding exclusively on smooth, paved roads where lighter road wheels might be more efficient.
• Compatibility issues may arise without the appropriate freehub conversion kits for non-standard cassette setups.
• Those requiring ultra-lightweight racing wheels optimized purely for speed on tarmac.

Frequently Asked Questions

Are the Ritchey Comp Zeta GX wheels tubeless-ready?
Yes, the rims are tubeless-ready with a 6066 alloy construction and an OCR offset, allowing you to run tubeless tires for improved traction and fewer flats.

What tire sizes can I use with this wheelset?
The wheels support a suggested tire size range from 32mm to 67mm, making them ideal for a wide variety of gravel and mixed-terrain tires.

Which axle types are compatible with these wheels?
The hubs are designed for thru-axles with front spacing of 100x12mm and rear spacing of 142x12mm. Conversion kits for 12-15mm thru-axles are available separately.

Can I use these wheels with my Shimano or SRAM drivetrain?
Yes, the freehub is compatible with Shimano 9/10/11/12-speed, SRAM XD/XDR, and Campagnolo 10/11/13-speed cassettes, with conversion kits available if needed.

What makes these wheels suitable for gravel riding?
The wide rims, robust 28-spoke 2x lacing, and durable forged hubs make the Comp Zeta GX exceptionally strong and reliable on rough gravel terrain, while the tubeless-ready design enhances ride comfort and performance.